#include <bits/stdc++.h>

using namespace std;

ifstream f ("permutari.in");
ofstream g ("permutari.out");

int viz[15],s[15],n;

void afisare()
{
    for(int i = 1;i <= n;i++)
        g << s[i] << " ";
    g << '\n';
}

inline void bkt(int bloc)
{
    for(int i = 1;i <= n;i++)
    {
        if(viz[i])
            continue;
        s[bloc] = i; viz[i] = 1;

        if(bloc == n)
            afisare();
        else bkt(bloc + 1);

        viz[i] = 0;
    }
}

int main()
{
    f >> n;
    bkt(1);
    return 0;
}